It really is only legal closure. We do not know what happened to him. There are not clues, no debris, and no where else to look. <sigh> We did a short memori

It really is only legal closure. We do not know what happened to him. There are not clues, no debris, and no where else to look. <sigh> We did a short memorial at Stanford which can be viewed. See http://ee380.stanford.edu/permlinks/Grey.html http://ee380.stanford.edu/permlinks/Grey.html for abstract and link to the video.